Sayfullaeva Yulduzxon Nizamovna 4th year student of the medical faculty Samarkand State Medical Institute REPUBLIC OF UZBEKISTAN Annotation: This article is devoted to the study of one of the severe complications of the early postoperative period during surgical interventions on the liver and biliary tract-biliary peritonitis. The article presents the reasons, the main factors predisposing the occurrence of postoperative biliary peritonitis. A brief review of the literature on this disease is carried out, and a clinical case of biliary peritonitis is described.